source /opt/k8s/bin/environment.sh
ssh-keygen -t rsa
for i in "${!NODE_IPS[@]}";
  do
    node_ip=${NODE_IPS[$i]}
    node_port=${NODE_PORTS[$i]}
    echo ">>> ${node_ip}:${node_port} " 
    ssh-copy-id -p ${node_port} root@${node_ip}
    ssh-copy-id -p ${node_port} k8s@${node_ip}
  done
